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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/articles/31/5/1739
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| Publication Type:
| Refereed |
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| Author(s): | Cawley, A. M.;
Healy, M. |
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| Author Affiliation: | Healy: Department of Civil Engineering; Cawley: Department of Engineering Hydrology, National University of Ireland, Galway, Ireland |
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| Title: | Nutrient processing capacity of a constructed wetland in western Ireland |
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| Source: | Journal of Environmental Quality. Vol. 31, No. 5, September 2002, p. 1739-1747. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 9 |
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| Keywords: | TIC Keywords: Constructed wetlands; Effluent water treatment; Nitrogen; Phosphorus; Water quality; Denitrification; Tertiary effluent water; Nutrient balance; Eutrophication
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| Geographic Terms: | Western Ireland |
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| Abstract/Contents: | "In Ireland, constructed wetland systems are increasingly being used to perform tertiary treatment on municipal waste effluent from small towns and villages located in areas whose receiving waters are deemed sensitive. The bedrock formation in the west of Ireland is primarily karst limestone and where the overburden-soil cover is very shallow, such waters are highly sensitive to pollution sources, as little or no natural attenuation and/or treatment will occur. Constructed wetland technology has been seen to offer a relatively low-cost alternative to the more conventional tertiary treatment technologies, particularly when dealing with low population numbers in small rural communities. This paper examines the waste treatment performance, in terms of nutrient (P and N) reduction, of a recently constructed surface-flow wetland system at Williamstown, County Galway, Ireland. Performance evaluation is based on more than two years of water quality and hydrological monitoring data. The N and P mass balances for the wetland indicate that the average percentage reduction over the two-year study period is 51% for total N and 13% for total P. The primary treatment process in the wetland system for suspended solids (between 84 and 90% reduction), biological oxygen demand (BOD) (on average, 49% reduction), N, and P is the physical settlement of the particulates. However, the formation of algal bloom during the growing season reduces the efficiency of the total P removal." |
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| Language: | English |
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| References: | 21 |
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| Note: | Figures |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Healy, M., and A. M. Cawley. 2002. Nutrient processing capacity of a constructed wetland in western Ireland. J. Environ. Qual. 31(5):p. 1739-1747. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/articles/31/5/1739
Last checked: 11/07/2016
Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/jeq/pdfs/31/5/1739
Last checked: 11/08/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
| 
MSU catalog number: S 900 .J6 |
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